121157920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1879}}^1$

素因数の和:1938

約数の個数: 96

約数和(自身を含む): 318366720

約数和(自身を除く): 197208800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1240, 1612, 1879, 2015, 2080, 2480, 3224, 3758, 4030, 4960, 6448, 7516, 8060, 9395, 12896, 15032, 16120, 18790, 24427, 30064, 32240, 37580, 48854, 58249, 60128, 64480, 75160, 97708, 116498, 122135, 150320, 195416, 232996, 244270, 291245, 300640, 390832, 465992, 488540, 582490, 757237, 781664, 931984, 977080, 1164980, 1514474, 1863968, 1954160, 2329960, 3028948, 3786185, 3908320, 4659920, 6057896, 7572370, 9319840, 12115792, 15144740, 24231584, 30289480, 60578960, 121157920]

約数ペア:

[(1, 121157920), (2, 60578960), (4, 30289480), (5, 24231584), (8, 15144740), (10, 12115792), (13, 9319840), (16, 7572370), (20, 6057896), (26, 4659920), (31, 3908320), (32, 3786185), (40, 3028948), (52, 2329960), (62, 1954160), (65, 1863968), (80, 1514474), (104, 1164980), (124, 977080), (130, 931984), (155, 781664), (160, 757237), (208, 582490), (248, 488540), (260, 465992), (310, 390832), (403, 300640), (416, 291245), (496, 244270), (520, 232996), (620, 195416), (806, 150320), (992, 122135), (1040, 116498), (1240, 97708), (1612, 75160), (1879, 64480), (2015, 60128), (2080, 58249), (2480, 48854), (3224, 37580), (3758, 32240), (4030, 30064), (4960, 24427), (6448, 18790), (7516, 16120), (8060, 15032), (9395, 12896)]